Iveco EuroCargo (12 to 26 t). Manual — part 32
70125
70126
70510
70511
Figure 3
Figure 4
Figure 5
Figure 6
Apply to engine block brackets 99341009 securing engine to
overhaul stand 99322205.
Assemble brackets 99341009 (1) to engine block and secure
them to overhaul stand 99322225 (2).
Proceed then to overhaul the engine complying, unless
otherwise stated, with what is described for four-cylinder
engine F4AE0481.
Remove fastening screws (1) and disconnect exhaust
manifold into two sections (2-3) with related gaskets.
!
In order to disconnect low-pressure fuel pipings (2
— 3 — 4. Figure 3) from related connection fittings, it
is necessary to press clip (1) as shown in figure B.
After having disconnected the piping, take back clip
(1) to its locking position, figure A, to avoid possible
distortions of the clip.
!
It is different from engine F4AE0481 overhaul as
regards what is stated below.
‘
540110
Engine removal at the bench
!
In order to apply a bracket to left engine side, it is
necessary to:
- with tool 99360076, disassemble fuel filter (5)
from support (1);
- disconnect low-pressure fuel pipings (2-3-4)
from support (1);
- detach support bearing bracket (1) from block.
E
URO
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ARGO
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12-26 t
128
ENGINE F4 AE 0681
Base - February 2003
79459
Figure 7
Figure 8
MAIN DATA ABOUT CAMSHAFT PINS
BUSHES
79460
MAIN DATA ABOUT CAMSHAFT BUSHES AND RELATED HOUSINGS
*Height to be obtained after driving the bushes
Sec. A-A
E
URO
C
ARGO
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12-26 t
ENGINE F4 AE 0681
129
Base - February 2003
TIMING SYSTEM
541210
Camshaft
70577
Figure 9
MAIN OUTPUT SHAFT TOLERANCES
70237
MAIN BEARING ON TIMING SYSTEM
CONTROL SIDE
INTERMEDIATE MAIN
BEARINGS
FIRST MAIN BEARING ON
FRONT SIDE
Figure 10
*
Measured on a radius greater than 45.5 mm
**
↗ 0.500 between adjacent main journals
E
URO
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ARGO
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12-26 t
130
ENGINE F4 AE 0681
Base - February 2003
TOLERANCE CHARACTERISTIC
GRAPHIC SYMBOL
SHAPE
Roundness
○
SHAPE
Cilindricity
/
○/
Parallelism
//
DIRECTION
Verticality
Straightness
POSITION
Concentricity or coaxiality
Circular oscillation
OSCILLATION
Total oscillation
Taper
LEVELS OF IMPORTANCE FOR PRODUCT CHARACTERISTICS
GRAPHIC SYMBOL
CRITICAL
IMPORTANT
⊕
SECONDARY
⊝
70514
Figure 11
Figure 12
MAIN DATA ABOUT ENGINE VALVE SEATS
FILL THIS TABLE WITH OUTPUT SHAFT JOURNAL AND CRANKPIN MEASURED VALUES
Valve seats are obtained by melting on cylinder head and
machined.
*Rated value
5406
CYLINDER HEAD
VALVE SEATS
85485
EXHAUST
INTAKE
E
URO
C
ARGO
T
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12-26 t
ENGINE F4 AE 0681
131
Base - February 2003
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